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<title>cef4delphi: uCEFInterfaces: Interface ICefCommandHandler</title>
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<span id="ICefCommandHandler"></span><h1 class="cio">Interface ICefCommandHandler</h1>
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<div class="one_section"><a class="section" href="#PasDoc-Description">Description</a></div><div class="one_section"><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></div><div class="one_section">Fields</div><div class="one_section"><a class="section" href="#PasDoc-Methods">Methods</a></div><div class="one_section">Properties</div></div>
<span id="PasDoc-Description"></span><h2 class="unit">Unit</h2>
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<a href="uCEFInterfaces.html">uCEFInterfaces</a></p>
<h2 class="declaration">Declaration</h2>
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<code>type ICefCommandHandler = interface(<a class="normal" href="uCEFInterfaces.ICefBaseRefCounted.html">ICefBaseRefCounted</a>)</code></p>
<h2 class="description">Description</h2>
<p>
 Implement this interface to handle events related to commands. The functions of this interface will be called on the UI thread. </p>
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<p>UNKNOWN

<p>&lt;see href=&quot;<a href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_command_handler_capi.h">https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_command_handler_capi.h</a>&quot;&gt;CEF source file: /include/capi/cef_command_handler_capi.h (cef_command_handler_t))</p>
<span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">IInterface</li>
<li class="ancestor"><a class="normal" href="uCEFInterfaces.ICefBaseRefCounted.html">ICefBaseRefCounted</a></li>
<li class="thisitem">ICefCommandHandler</li></ul><h2 class="overview">Overview</h2>
<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
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<td class="itemcode"><code>function <strong><a href="uCEFInterfaces.ICefCommandHandler.html#OnChromeCommand-ICefBrowser-integer-TCefWindowOpenDisposition-">OnChromeCommand</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; command_id: integer; disposition: <a href="uCEFTypes.html#TCefWindowOpenDisposition">TCefWindowOpenDisposition</a>): boolean;</code></td>
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<td class="itemcode"><code>function <strong><a href="uCEFInterfaces.ICefCommandHandler.html#OnIsChromeAppMenuItemVisible-ICefBrowser-integer-">OnIsChromeAppMenuItemVisible</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; command_id: integer): boolean;</code></td>
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<td class="itemcode"><code>function <strong><a href="uCEFInterfaces.ICefCommandHandler.html#OnIsChromeAppMenuItemEnabled-ICefBrowser-integer-">OnIsChromeAppMenuItemEnabled</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; command_id: integer): boolean;</code></td>
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<td class="itemcode"><code>function <strong><a href="uCEFInterfaces.ICefCommandHandler.html#OnIsChromePageActionIconVisible-TCefChromePageActionIconType-">OnIsChromePageActionIconVisible</a></strong>(icon_type: <a href="uCEFTypes.html#TCefChromePageActionIconType">TCefChromePageActionIconType</a>): boolean;</code></td>
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<td class="itemcode"><code>function <strong><a href="uCEFInterfaces.ICefCommandHandler.html#OnIsChromeToolbarButtonVisible-TCefChromeToolbarButtonType-">OnIsChromeToolbarButtonVisible</a></strong>(button_type: <a href="uCEFTypes.html#TCefChromeToolbarButtonType">TCefChromeToolbarButtonType</a>): boolean;</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefCommandHandler.html#RemoveReferences">RemoveReferences</a></strong>;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="itemcode"><span id="OnChromeCommand-ICefBrowser-integer-TCefWindowOpenDisposition-"></span><code>function <strong>OnChromeCommand</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; command_id: integer; disposition: <a href="uCEFTypes.html#TCefWindowOpenDisposition">TCefWindowOpenDisposition</a>): boolean;</code></td>
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<p>
 Called to execute a Chrome command triggered via menu selection or keyboard shortcut. Use the cef_id_for_command_id_name() function for version-safe mapping of command IDC names from cef_command_ids.h to version-specific numerical |command_id| values. |disposition| provides information about the intended command target. Return true (1) if the command was handled or false (0) for the default implementation. For context menu commands this will be called after ICefContextMenuHandler.OnContextMenuCommand. Only used with Chrome style. </p>
<h6 class="description_section">Attributes</h6>
<dl class="attributes">
  <dt>GUID['{7C931B93-53DC-4607-AABB-2CB4AEF7FB96}']</dt>
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<td class="itemcode"><span id="OnIsChromeAppMenuItemVisible-ICefBrowser-integer-"></span><code>function <strong>OnIsChromeAppMenuItemVisible</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; command_id: integer): boolean;</code></td>
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<p>
 Called to check if a Chrome app menu item should be visible. Use the cef_id_for_command_id_name() function for version-safe mapping of command IDC names from cef_command_ids.h to version-specific numerical |command_id| values. Only called for menu items that would be visible by default. Only used with Chrome style. </p>
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<td class="itemcode"><span id="OnIsChromeAppMenuItemEnabled-ICefBrowser-integer-"></span><code>function <strong>OnIsChromeAppMenuItemEnabled</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; command_id: integer): boolean;</code></td>
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<p>
 Called to check if a Chrome app menu item should be enabled. Use the cef_id_for_command_id_name() function for version-safe mapping of command IDC names from cef_command_ids.h to version-specific numerical |command_id| values. Only called for menu items that would be enabled by default. Only used with Chrome style. </p>
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<td class="itemcode"><span id="OnIsChromePageActionIconVisible-TCefChromePageActionIconType-"></span><code>function <strong>OnIsChromePageActionIconVisible</strong>(icon_type: <a href="uCEFTypes.html#TCefChromePageActionIconType">TCefChromePageActionIconType</a>): boolean;</code></td>
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<p>
 Called during browser creation to check if a Chrome page action icon should be visible. Only called for icons that would be visible by default. Only used with Chrome style. </p>
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<td class="itemcode"><span id="OnIsChromeToolbarButtonVisible-TCefChromeToolbarButtonType-"></span><code>function <strong>OnIsChromeToolbarButtonVisible</strong>(button_type: <a href="uCEFTypes.html#TCefChromeToolbarButtonType">TCefChromeToolbarButtonType</a>): boolean;</code></td>
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<p>
 Called during browser creation to check if a Chrome toolbar button should be visible. Only called for buttons that would be visible by default. Only used with Chrome style. </p>
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<td class="itemcode"><span id="RemoveReferences"></span><code>procedure <strong>RemoveReferences</strong>;</code></td>
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<p>
 Custom procedure to clear all references. </p>
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